Speciality Chemicals

Antioxidant DPIOP

  • CAS No.26401-27-4
  • GradeIndustrial / Pharmaceutical
  • Availability● In Stock

Antioxidant DPIOP is a high-performance alkyl-aryl phosphite ester designed for superior hydroperoxide decomposition in polymers. Ideal for PVC, polyurethane, and rubber applications requiring enhanced thermal stability.

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Product Technical Details

Product Overview

Antioxidant DPIOP represents an advanced class of high molecular weight alkyl-aryl phosphite esters designed specifically for demanding polymer stabilization applications. As a secondary antioxidant, this chemical entity exhibits exceptional capability in decomposing hydroperoxides generated during polymer processing and usage. Unlike common phosphite antioxidants, Antioxidant DPIOP offers superior thermal stability and hydrolytic resistance, making it an ideal choice for manufacturers seeking long-term material performance.

The molecule functions by scavenging free radicals and breaking down peroxide intermediates before they can initiate chain scission reactions. This proactive approach to stabilization ensures that the polymer retains its tensile strength and impact resistance throughout its lifecycle. Our production facilities adhere to strict environmental and safety standards, guaranteeing a product that is not only effective but also responsibly manufactured. The unique chemical structure allows for effective synergy when combined with hindered phenolic antioxidants and ultraviolet absorbers.

Technical Specifications

Quality control is paramount in the production of fine chemical additives. Each batch of Antioxidant DPIOP undergoes rigorous testing to ensure compliance with international standards. The following table outlines the key physical and chemical characteristics that define this premium grade material.

Parameter Value
Chemical Name 6-methylheptyl diphenyl phosphite
CAS Number 26401-27-4
Molecular Formula C20H27O3P
Molecular Weight 346.40
Appearance Colorless Liquid
Refractive Index 1.5200-1.5300
Specific Gravity 1.040-1.050

Industrial Applications

The versatility of Antioxidant DPIOP makes it a critical component across multiple sectors within the plastics and rubber industries. Its primary function involves preventing oxidative degradation, which preserves the mechanical properties and aesthetic quality of the final product. Formulators appreciate the compatibility of this phosphite ester with various polymer matrices.

  • PVC Film and Profiles: Enhances thermal stability during extrusion and calendering processes.
  • Polyurethane Systems: Effective in both flexible and rigid foam applications, preventing discoloration.
  • Rubber and Latex: Protects against aging and maintains elasticity over extended service life.
  • Unsaturated Resins and Rosin: Improves clarity and reduces yellowing in cured materials.
  • PUR Coatings: Ensures durability and color retention in protective coating layers.

In PVC applications, it specifically helps maintain clarity in transparent films while protecting rigid profiles from weathering. For polyurethane glues and sealants, it prevents premature curing issues caused by oxidative stress. It serves as a reliable drop-in replacement for older generation antioxidants, offering improved performance benchmarks without requiring significant process adjustments.

Handling and Storage

To maintain the integrity of Antioxidant DPIOP, proper storage conditions are essential. The product should be kept in tightly closed containers to prevent moisture absorption and contamination. Storage areas must be cool, dry, and well-ventilated, away from direct sunlight and heat sources. We package this material in 200 kg drums to facilitate safe transport and handling in industrial settings.

Our company is committed to providing comprehensive documentation, including Certificates of Analysis (COA), to support your quality assurance protocols. As a professional supplier of functional material additives, we maintain a robust inventory to support global demand. Our logistics network ensures timely delivery, and our technical team is available to provide formulation guidance for optimal integration of Antioxidant DPIOP into your specific manufacturing processes.